. 2017 Dec 29;4(1):3. doi: 10.3390/gels4010003

Table 4.

Literature data on effective diffusion coefficients in aerogels.

Sample	D_e (10⁻⁹ m² s⁻¹)
Silica aerogel	5.75
IPA-CO₂ system at 37.5 °C and 80 bar [31]	5.75
Silica gel	3.05–5.52
Ethanol-CO₂ system in the range from 20 °C to 42 °C at 90 bar [27]	3.05–5.52
Silica aerogel	4.7–5.1
Ethanol-CO₂ system at 40 °C 100 bar [5]	4.7–5.1
Silica aerogel	5.5
Ethanol-CO₂ system at 42 °C and 90 bar [46]	5.5